Bold-italics indicate a value broke or tied the record from a previous year.*Dep.: Departure of the monthly average temperature from the 1981-2010 monthly normal, which is provided by the National Climatic Data Center.*Perc. Norm.: Monthly precipitation total divided by 1981-2010 monthly normal, which is provided by the National Climatic Data Center.*Deg. Days: Computed daily as the departure of the daily average temperature from 65°F and aggregated over the entire month.*Heating degree day (HDD): Each unit corresponds to a -1°F departure of a daily average temperature from 65°F.*Cooling degree day (HDD): Each unit corresponds to a +1°F departure of a daily average temperature from 65°F.